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Continental Device India Limited
An ISO/TS 16949, ISO 9001 and ISO 14001 Certified Company
SOT-23 Formed SMD Package
CMBT918
VHF/UHF TRANSISTOR
N-P-N transistor
Marking CMBT918 = 3B
PACKAGE OUTLINE DETAILS ALL DIMENSIONS IN m m
Pin configuration 1 = BASE 2 = EMITTER 3 = COLLECTOR
3
1
2
ABSOLUTE MAXIMUM RATINGS Collector-base voltage (open emitter) Collector-emitter voltage (open base) Emitter-base voltage (open collector) Collector current (d.c.) Total power dissipation at Tamb = 25C D.C. current gain -IC = 3 mA; -VCE = 1 V
-V CBO -V CEO -V EBO -IC Ptot hFE
max. max. max. max. max min.
30 15 3 350 225 20
V V V mA mW
RATINGS (at TA = 25C unless otherwise specified) Limiting values Collector-base voltage (open emitter) -V CBO Collector-emitter voltage (open base) -V CEO Emitter-base voltage (open collector) -V EBO Collector current (d.c.) -IC
max. max. max. max.
30 15 3 350
V V V mA
Continental Device India Limited
Data Sheet
Page 1 of 3
CMBT918
Total power dissipation at Tamb = 25C Storage temperature Junction temperature THERMAL CHARACTERISTICS Tj = P (Rth j-t + Rth s-a) + Tamb Thermal resistance from junction to ambient
Ptot Tstg Tj
max 225 -55 to +150 max. 150
mW C C
Rth j-a
556
C/mW
CHARACTERISTICS (at TA = 25C unless otherwise specified) Collector-emitter breakdown voltage -V(BR)CEO min. -IC = 3 mA; -IB = 0 Collector-base breakdown voltage -V(BR)CBO min. -IC = 1 A; -IE = 0 Emitter-base breakdown voltage -V(BR)EBO min. -IE = 10 A; -IC = 0 Collector cut-off current -I CBO max. -VCB = 15 V; -IE = 0 Output capacitance at f = 1 MHz Cc max. -VCB = 10 V; IE = 0 Input capacitance at f = 1 MHz Ce max. -VEB = 0.5 V; IC=0 Saturation voltages -IC = 10 mA; -IB = 1 mA D.C. current gain -IC = 3 mA; -VCE = 1 V Noise figure at RS = 50 -IC = 1 mA; -VCE = 6 V f = 60 MHz Transition frequency VCE = 10 V; IC = 4 mA; f = 100 MHz -VCEsat -VBEsat hFE max. max. min.
15 30 3 50 1.7 2 0.4 1 20
V V V nA pF pF V V
NF
max.
6
dB
fT
min.
600
MHz
Continental Device India Limited
Data Sheet
Page 2 of 3
Customer Notes
Disclaimer
The product information and the selection guides facilitate selection of the CDIL's Discrete Semiconductor Device(s) best suited for application in your product(s) as per your requirement. It is recommended that you completely review our Data Sheet(s) so as to confirm that the Device(s) meet functionality parameters for your application. The information furnished on the CDIL Web Site/ CD are believed to be accurate and reliable. CDIL however, does not assume responsibility for inaccuracies or incomplete information. Furthermore, CDIL does not assume liability whatsoever, arising out of the application or use of any CDIL product; neither does it convey any license under its patent rights nor rights of others. These products are not designed for use in life saving/support appliances or systems. CDIL customers selling these products (either as individual Discrete Semiconductor Devices or incorporated in their end products), in any life saving/support appliances or systems or applications do so at their own risk and CDIL will not be responsible for any damages resulting from such sale(s). CDIL strives for continuous improvement and reserves the right to change the specifications of its products without prior notice.
Continental Device India Limited
C-120 Naraina Industrial Area, New Delhi 110 028, India. Telephone + 91-11-2579 6150, 5141 1112 Fax + 91-11-2579 5290, 5141 1119 email@cdil.com www.cdilsemi.com
Continental Device India Limited Data Sheet Page 3 of 3
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